Overview

overview

10

Static

static

3

f31ff6f68e...18.exe

windows7-x64

10

f31ff6f68e...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118

  • Size

    10.5MB

  • Sample

    240416-kqcepafe9v

  • MD5

    f31ff6f68ebe392291dbb6214ea9ff92

  • SHA1

    8502e236e8ae0ff89bff5c17e3697f1e3be2861f

  • SHA256

    1c080453192d6860817dfd3f7d55054a384f0c5b51661212f38adcb0c6f612bf

  • SHA512

    680b1e606ace8a65b4fc5480f16ad50c2636981f08faa25df5237e61c2de2ae130969ab363fc201e4bf3be8cd7d5457be31a0d5cdcfbd125ecf4812f6eb9ed91

  • SSDEEP

    49152:S1yvllllllllllllllllllllllllllllllllllllllllllllllllllllllllllln:SA

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      f31ff6f68ebe392291dbb6214ea9ff92_JaffaCakes118

    • Size

      10.5MB

    • MD5

      f31ff6f68ebe392291dbb6214ea9ff92

    • SHA1

      8502e236e8ae0ff89bff5c17e3697f1e3be2861f

    • SHA256

      1c080453192d6860817dfd3f7d55054a384f0c5b51661212f38adcb0c6f612bf

    • SHA512

      680b1e606ace8a65b4fc5480f16ad50c2636981f08faa25df5237e61c2de2ae130969ab363fc201e4bf3be8cd7d5457be31a0d5cdcfbd125ecf4812f6eb9ed91

    • SSDEEP

      49152:S1yvllllllllllllllllllllllllllllllllllllllllllllllllllllllllllln:SA

    Score
    10/10
    tofseeevasionpersistencetrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Windows security bypass

      evasiontrojan

    • Creates new service(s)

      persistence

    • Modifies Windows Firewall

      evasion

    • Sets service image path in registry

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Disable or Modify System Firewall

1
T1562.004

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks